Stiebel EltronTempra 24 Plus Electric Tankless Whole House Water Heater

If you want to install a tankless water heater which is able to provide instant hot water up to 4 middle-level water flow sink then this Stiebel EltronTempra 24 Plus Electric Tankless Whole House Water Heater is the best option to buy for your whole house. This is the most technologically sound tank less water heater unit in the water heater market. The manufacturer of this model makes it best with some advance control and technologically sound features resulting it gain the capacity to provide endless hot water whenever you want hot water to fulfill your whole house demand. This is a best seller listed product and got huge positive feedback from the Amazon customer reviews with the star rating of 4.6. Another most important thing is that this Stiebel Tempra Electric Tankless Whole House Water Heater got the certification about the frustration free. This is a highly demanding and easily instruction system manual to install properly. This is also an energy saving unit from the Tempra tankless water heater brand.

Stiebel Eltron Tempra 12 kW, tankless electric water heater with Self-Modulating Power Technology 1
Stiebel Eltron Tempra 12 kW, tankless electric water heater with Self-Modulating Power Technology 3
Before Deep discussion we put some points listing to find out the features of this unit. Let’s go with us for checking:

1. Most importantly it comes with dynamic design and you can fit it with anywhere you want.

2. The manufacturer made this one with advanced flow control technology which automatically adjust the water flow rate.

3. This model of water heater activated with minimum flow rate up to 0.58 GPM.

4. This Tempra 24 plus comes with ergonomic knob controller which allow to adjust the temperature of water at maximum 140 degree Fahrenheit.

5. This unit comes with high resolution digital display which allow you to monitor the changes of temperature.

6. This is an energy efficient unit runs like a 2 in 1 models of water heater and start functioning 24 kilowatt of power source with 240 Voltage and also runs with 18 kilowatt 208 single phase voltage.

7. It required 2 X 50 AMP breaker which is depends on local electrical codes.

8. Maximum AMPS it can handle up to 100 at 240 voltage and 88 AMPS at 208 single phase voltage.

9. It can handle maximum input temperature up to 131 degree Fahrenheit and maximum output can serve up to 140 degree Fahrenheit.

10. In case of safety issue this unit is ETL listed on United States of America and Canada and meets all measurable standards which also includes ANS/UL 499 for USA and CSA-E335-1/3E-94 for Canada.

11. This unit also comes with all the protective shields that are microprocessor based thermostatic controller with also has feature like thermal hi limit cutout switch monitoring system for each heating modular.

Now let’s start discussion briefly:

Basically, this powerful and dynamic model of tankless water heater comes with lots of features that ensures the reliability and safety issue. As we said before, this unit actually applicable for the whole house to fulfill the hot water demand. Now we are going to discuss its tremendous features and other aspects in brief. Let’s start the journey to know about the Stiebel Eltron Tempra 24 plus.

  • Application versatility:

Our team of expert found that this is the most powerful water heater which is tremendously suitable for whole house application. This Stiebel Eltron Tempra electric tankless water is a perfect one for the northern U.S, Canada, and other regions. Because these areas temperature can fall down up to 45 degrees Fahrenheit and this tempra 24 KW tankless water heater unit can handle this lower incoming water temperature easily. This German water heater also suitable for and can frequently usable for the southern environment and can able to run with higher water flow rates and able to provide 5 gallons of hot water to fulfill your hot water demand. The most notable thing about this unit is it is applicable for both the privet whole house and commercial use. Resulting, you can call this one as a multi usable water heater unit to full yours on demand hot water needs.

  • Safety and protection factor:

This unit also as like other tempra plus series of tankless water heaters. Because, this unit comes with real microprocessor temperature control regulation, convenient digital temperature display, and dial selector knob. Resulting, you can easily set your desired temperature to get the hot water in need. For Example: if you want to set 90 degrees Fahrenheit temperature for cloth washing you can set it or you want 100 degrees Fahrenheit temperature for dishwashing you can set it without taking any hassle.

In case of the safety issue, this tempra eltron 24 kW water heater unit comes with a notable feature like the real thermostatic controller of temperature and full power modulation-based technology for both the hot water and flow rates. Another noticeable feature of this unit is; it can able adjust the power output automatically to handle the changes in incoming water and flow rates resulting it saves you and your family for the unwanted accident. So, we can say that at the end, this is also especially suitable Stiebel Eltron Tempra model for both children and older citizen of your family. For these mentionable technology makes it best-enlisted water heater models on Amazon marketplace in a safety concern.

  • Advanced flow control technology:

This advanced technology of flow control system of this heater model is the best we would say. Because of this feature, it can handle as much as lower flow rates down to 0.58 GPM flow rates. Believe us, buddy, it is really unbelievable for any other tankless water heaters unit. Now you may ask a question how this unit controls the lower water flow to activate itself. Basically, it adjusts the water flow by its sensors detecting the flow when exceeding flow over the heater's capacity. This is the features which are perfect for a cold environment. It is also working on the place where regular electrical settings do not permit installation of bigger models of water heaters. The most notable thing is that it is also applicable to that area where water flow rates are not predictable.

  • Warranty and wiring facility:

We have seen that most of the German electronic devices are built with lower warranty period but all the German devices are able to give long-term service. The manufacturer of this electric tankless water heater unit offers three years of warranty on the whole unit. At the same time, the made this unit with multi-wiring facilitate system with the minimum 2 X 6 AWG copper wiring which is a reliable and proven facility.

  • PROS:
  • Its versatile unit regarding application on both whole house and commercial use.
  • No venting system is required for using this multi facilitate unit resulting it minimize the installation cost.
  • It’s ultra sleek design allows you to install it anywhere you want to install.
  • It is a highly energy saving unit from stiebel eltron tempra 24 plus tankless water heater units. can able to save energy from 15 to 20 percent.
  • Can handle lower water flow to start running and able to give endless hot water on demand.
  • It can able to handle maximum water pressure up to 150 PSI.
  • This unit comes with all the safety feature that freeing your tension regarding any kind of unexpected accident.
  • This is usable for both the colder and warmer climates.
  • This unit comes with reliable German Technology which ensure the best performance from a tankless water heater unit you can expect.
  • It can able to handle versatile electric power sources 208 voltage at minimum and maximum electricity fired handling capacity is 140 single phase voltage.
  • CONS:
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    This unit comes with lower warranty period but it’s from reliable German manufacturer so do not feel hesitate during the purchasing because all the electronic device from German technology is proven reliability regarding usability.
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    This is not the perfect unit for transportation but this is suitable for use in both the in house and commercial use.
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    You can’t use this unit on grid area like middle of the jungle where electricity is unavailable because the battery facility is not included with unit.

Frequently Ask Question:

Q: In the North Texas is this unit is suitable for two shower simultaneously?

Answer: If you are going to run two faucets like a shower at a time then higher flow shower heads can serve lower water flow. But if you use lower flow rates shower heads then it is suitable for use in Texas.

Q: How many gallons per minutes of hot water it can serve?

Answer: It depends on your areas overall input water temperature. But we can confidently say that it can able to provide 4 to 6 gallons of endless hot water per minute.

Q: Please tell me. Can we use this unit as a supplement output of smaller 50 gallons electric water heater? I am willing to placing it in bathrooms?

Answer: Yes dear, definitely you can replace this unit with 50 gallons of the water heater. But if you use two faucets at a time when the water running pressure will be reduced at lower levels.

Q: Does its size is suitable for smaller sized home?

Answer: Yes, dear, its sleek design and smaller dimension allow you to install it on anywhere at your home. This unit comes with overall dimension of 21.7 inches X 20.1 inches X 9.6 inches with lower weight at 16.1 pounds. Resulting it’s the perfect one for your smaller sized home.


At last, we can say that this is one of the best model from stiebel eltron tempra tankless water heater in the market. Basically, when our team of expert analyzes its all the features and aspects we found that this unit is most suitable for anywhere at your whole house and also in your commercial place. This is also a high-efficiency unit with some features to reduce your energy consumption bills on a notable scale. So, without taking any doubt in your logical mind you can purchase this unit to fulfill yours on demand hot water needs at the satisfactory level.

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